/*add custom font*/
@font-face {
    font-family: Hongbin;
    src: url(font.otf);
}
/*reset code*/
*{
 margin: 0;
 padding: 0;
 box-sizing: border-box;
}

main{
    height: 100vh;
    width: 100vw;
    background-color: red;
    background-image: url(mountain.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
/*add color overlay*/
.overlay{
    height: 100%;
    width: 100%;
    background-color: #b4515148;
}
h1{

    position: absolute;
    top: 50%;
    left: 50%;

    transform: translate(-50%, -50%);

    font-family: Hongbin;
    color: white;
    -webkit 
}